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152861942 = 276430971
BaseRepresentation
bin10010001110001…
…11110011110110
3101122122012011102
421013013303312
5303113040232
623100210102
73534206432
oct1107076366
9348565142
10152861942
1179317492
1243239932
132589176c
14164319c2
15d647662
hex91c7cf6

152861942 has 4 divisors (see below), whose sum is σ = 229292916. Its totient is φ = 76430970.

The previous prime is 152861941. The next prime is 152861957. The reversal of 152861942 is 249168251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 249168251 = 552145131.

It is a super-2 number, since 2×1528619422 = 46733546624022728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 152861896 and 152861905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152861941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38215484 + ... + 38215487.

It is an arithmetic number, because the mean of its divisors is an integer number (57323229).

Almost surely, 2152861942 is an apocalyptic number.

152861942 is a deficient number, since it is larger than the sum of its proper divisors (76430974).

152861942 is an equidigital number, since it uses as much as digits as its factorization.

152861942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76430973.

The product of its digits is 34560, while the sum is 38.

The square root of 152861942 is about 12363.7349534839. The cubic root of 152861942 is about 534.6872041172.

The spelling of 152861942 in words is "one hundred fifty-two million, eight hundred sixty-one thousand, nine hundred forty-two".

Divisors: 1 2 76430971 152861942