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30149007 = 3717791069
BaseRepresentation
bin111001100000…
…0100110001111
32002201201122220
41303000212033
530204232012
62554110423
7514155660
oct163004617
962651586
1030149007
1116022439
12a11b413
136327a65
14400b367
1529a808c
hex1cc098f

30149007 has 32 divisors (see below), whose sum is σ = 49305600. Its totient is φ = 15994368.

The previous prime is 30148967. The next prime is 30149033. The reversal of 30149007 is 70094103.

It is not a de Polignac number, because 30149007 - 27 = 30148879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30149047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27669 + ... + 28737.

It is an arithmetic number, because the mean of its divisors is an integer number (1540800).

Almost surely, 230149007 is an apocalyptic number.

30149007 is a deficient number, since it is larger than the sum of its proper divisors (19156593).

30149007 is a wasteful number, since it uses less digits than its factorization.

30149007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 30149007 is about 5490.8111422630. The cubic root of 30149007 is about 311.2368449788.

It can be divided in two parts, 3014 and 9007, that added together give a palindrome (12021).

The spelling of 30149007 in words is "thirty million, one hundred forty-nine thousand, seven".

Divisors: 1 3 7 17 21 51 79 119 237 357 553 1069 1343 1659 3207 4029 7483 9401 18173 22449 28203 54519 84451 127211 253353 381633 591157 1435667 1773471 4307001 10049669 30149007