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152023742 = 21329201623
BaseRepresentation
bin10010000111110…
…11001010111110
3101121001121100222
421003323022332
5302404224432
623030221342
73524115623
oct1103731276
9347047328
10152023742
11788a4762
1242ab4852
132565a0a0
141629434a
15d52e112
hex90fb2be

152023742 has 16 divisors (see below), whose sum is σ = 254046240. Its totient is φ = 67744992.

The previous prime is 152023727. The next prime is 152023763. The reversal of 152023742 is 247320251.

It is a super-2 number, since 2×1520237422 = 46222436263365128, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100058 + ... + 101565.

It is an arithmetic number, because the mean of its divisors is an integer number (15877890).

Almost surely, 2152023742 is an apocalyptic number.

152023742 is a deficient number, since it is larger than the sum of its proper divisors (102022498).

152023742 is a wasteful number, since it uses less digits than its factorization.

152023742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201667.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 152023742 is about 12329.7908335868. The cubic root of 152023742 is about 533.7081147855.

Adding to 152023742 its reverse (247320251), we get a palindrome (399343993).

The spelling of 152023742 in words is "one hundred fifty-two million, twenty-three thousand, seven hundred forty-two".

Divisors: 1 2 13 26 29 58 377 754 201623 403246 2621099 5242198 5847067 11694134 76011871 152023742