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152843540 = 22519993823
BaseRepresentation
bin10010001110000…
…11010100010100
3101122121020220212
421013003110110
5303111443130
623055544552
73534101663
oct1107032424
9348536825
10152843540
1179304683
124322b158
1325886285
1416428dda
15d641e95
hex91c3514

152843540 has 24 divisors (see below), whose sum is σ = 321216000. Its totient is φ = 61090848.

The previous prime is 152843539. The next prime is 152843563. The reversal of 152843540 is 45348251.

It is a super-2 number, since 2×1528435402 = 46722295439463200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 152843497 and 152843506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38069 + ... + 41891.

It is an arithmetic number, because the mean of its divisors is an integer number (13384000).

Almost surely, 2152843540 is an apocalyptic number.

152843540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152843540 is an abundant number, since it is smaller than the sum of its proper divisors (168372460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

152843540 is a wasteful number, since it uses less digits than its factorization.

152843540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5831 (or 5829 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 152843540 is about 12362.9907384904. The cubic root of 152843540 is about 534.6657474820.

The spelling of 152843540 in words is "one hundred fifty-two million, eight hundred forty-three thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 1999 3823 3998 7646 7996 9995 15292 19115 19990 38230 39980 76460 7642177 15284354 30568708 38210885 76421770 152843540