Search a number
-
+
30703634 = 2132943947
BaseRepresentation
bin111010100100…
…0000000010010
32010202220110122
41311020000102
530330004014
63014030242
7521655653
oct165100022
963686418
1030703634
1116371105
12a348382
136490340
14411352a
152a6758e
hex1d48012

30703634 has 32 divisors (see below), whose sum is σ = 52557120. Its totient is φ = 13349952.

The previous prime is 30703627. The next prime is 30703637. The reversal of 30703634 is 43630703.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (30703637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31949 + ... + 32895.

It is an arithmetic number, because the mean of its divisors is an integer number (1642410).

Almost surely, 230703634 is an apocalyptic number.

30703634 is a deficient number, since it is larger than the sum of its proper divisors (21853486).

30703634 is a wasteful number, since it uses less digits than its factorization.

30703634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034.

The product of its (nonzero) digits is 4536, while the sum is 26.

The square root of 30703634 is about 5541.0859946404. The cubic root of 30703634 is about 313.1337844662.

The spelling of 30703634 in words is "thirty million, seven hundred three thousand, six hundred thirty-four".

Divisors: 1 2 13 26 29 43 58 86 377 559 754 947 1118 1247 1894 2494 12311 16211 24622 27463 32422 40721 54926 81442 357019 529373 714038 1058746 1180909 2361818 15351817 30703634