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152994919 = 7112386389
BaseRepresentation
bin10010001111010…
…00010001100111
3101122212221120111
421013220101213
5303131314134
623103113451
73535302220
oct1107502147
9348787514
10152994919
11793a8390
12432a2887
132590a14c
1416468247
15d671c64
hex91e8467

152994919 has 16 divisors (see below), whose sum is σ = 199042560. Its totient is φ = 114032160.

The previous prime is 152994911. The next prime is 152994929. The reversal of 152994919 is 919499251.

It is not a de Polignac number, because 152994919 - 23 = 152994911 is a prime.

It is a super-2 number, since 2×1529949192 = 46814890479633122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152994911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41424 + ... + 44965.

It is an arithmetic number, because the mean of its divisors is an integer number (12440160).

Almost surely, 2152994919 is an apocalyptic number.

152994919 is a deficient number, since it is larger than the sum of its proper divisors (46047641).

152994919 is a wasteful number, since it uses less digits than its factorization.

152994919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86430.

The product of its digits is 262440, while the sum is 49.

The square root of 152994919 is about 12369.1114878960. Note that the first 3 decimals coincide. The cubic root of 152994919 is about 534.8422034411.

The spelling of 152994919 in words is "one hundred fifty-two million, nine hundred ninety-four thousand, nine hundred nineteen".

Divisors: 1 7 11 23 77 161 253 1771 86389 604723 950279 1986947 6651953 13908629 21856417 152994919