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152154540 = 22325845303
BaseRepresentation
bin10010001000110…
…11000110101100
3101121022020210100
421010123012230
5302422421130
623033111100
73525202146
oct1104330654
9347266710
10152154540
1178983a5a
1242b58490
13256a4795
14162c9c96
15d557c60
hex911b1ac

152154540 has 36 divisors (see below), whose sum is σ = 461535984. Its totient is φ = 40574496.

The previous prime is 152154523. The next prime is 152154551. The reversal of 152154540 is 45451251.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1521545402 = 46302008085223200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 422472 + ... + 422831.

It is an arithmetic number, because the mean of its divisors is an integer number (12820444).

Almost surely, 2152154540 is an apocalyptic number.

152154540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152154540 is an abundant number, since it is smaller than the sum of its proper divisors (309381444).

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

152154540 is a wasteful number, since it uses less digits than its factorization.

152154540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845318 (or 845313 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 152154540 is about 12335.0938383135. The cubic root of 152154540 is about 533.8611346191.

The spelling of 152154540 in words is "one hundred fifty-two million, one hundred fifty-four thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 845303 1690606 2535909 3381212 4226515 5071818 7607727 8453030 10143636 12679545 15215454 16906060 25359090 30430908 38038635 50718180 76077270 152154540