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537407136 = 253771097
BaseRepresentation
bin100000000010000…
…010111010100000
31101110020010000000
4200002002322200
52100034012021
6125154300000
716213612440
oct4002027240
91343203000
10537407136
11256396a32
1212bb87600
13874516b6
1451532120
15322a6b26
hex20082ea0

537407136 has 192 divisors, whose sum is σ = 1815125760. Its totient is φ = 153404928.

The previous prime is 537407119. The next prime is 537407141. The reversal of 537407136 is 631704735.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 537407136.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 489340 + ... + 490436.

It is an arithmetic number, because the mean of its divisors is an integer number (9453780).

Almost surely, 2537407136 is an apocalyptic number.

537407136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 537407136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (907562880).

537407136 is an abundant number, since it is smaller than the sum of its proper divisors (1277718624).

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

537407136 is an equidigital number, since it uses as much as digits as its factorization.

537407136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135 (or 1109 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 537407136 is about 23182.0433956975. The cubic root of 537407136 is about 813.0198385704.

The spelling of 537407136 in words is "five hundred thirty-seven million, four hundred seven thousand, one hundred thirty-six".