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152316440 = 2353807911
BaseRepresentation
bin10010001010000…
…10101000011000
3101121121110212122
421011002220120
5302443111230
623040400412
73526445153
oct1105025030
9347543778
10152316440
1178a84661
1243016108
1325730393
141632cc9a
15d58abe5
hex9142a18

152316440 has 16 divisors (see below), whose sum is σ = 342712080. Its totient is φ = 60926560.

The previous prime is 152316431. The next prime is 152316443. The reversal of 152316440 is 44613251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152316443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1903916 + ... + 1903995.

It is an arithmetic number, because the mean of its divisors is an integer number (21419505).

Almost surely, 2152316440 is an apocalyptic number.

152316440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152316440 is an abundant number, since it is smaller than the sum of its proper divisors (190395640).

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

152316440 is a wasteful number, since it uses less digits than its factorization.

152316440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3807922 (or 3807918 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 152316440 is about 12341.6546702620. The cubic root of 152316440 is about 534.0504191009.

Adding to 152316440 its reverse (44613251), we get a palindrome (196929691).

The spelling of 152316440 in words is "one hundred fifty-two million, three hundred sixteen thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 3807911 7615822 15231644 19039555 30463288 38079110 76158220 152316440