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70876 = 22132947
BaseRepresentation
bin10001010011011100
310121020001
4101103130
54232001
61304044
7413431
oct212334
9117201
1070876
1149283
1235024
1326350
141bb88
1516001
hex114dc

70876 has 24 divisors (see below), whose sum is σ = 141120. Its totient is φ = 30912.

The previous prime is 70867. The next prime is 70877. The reversal of 70876 is 67807.

70876 is a nontrivial binomial coefficient, being equal to C(377, 2).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1485 + ... + 1531.

It is an arithmetic number, because the mean of its divisors is an integer number (5880).

270876 is an apocalyptic number.

70876 is the 376-th triangular number.

70876 is the 126-th centered nonagonal number.

It is an amenable number.

70876 is a deficient number, since it is larger than the sum of its proper divisors (70244).

70876 is a wasteful number, since it uses less digits than its factorization.

70876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 70876 is about 266.2254683534. The cubic root of 70876 is about 41.3840572779.

It can be divided in two parts, 708 and 76, that added together give a square (784 = 282).

The spelling of 70876 in words is "seventy thousand, eight hundred seventy-six".

Divisors: 1 2 4 13 26 29 47 52 58 94 116 188 377 611 754 1222 1363 1508 2444 2726 5452 17719 35438 70876