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157304400 = 243521117701
BaseRepresentation
bin10010110000001…
…00011001010000
3101221222220001220
421120010121100
5310232220100
623335325040
73620031261
oct1130043120
9357886056
10157304400
1180881140
1244820780
1326788836
1416c6a968
15dc23aa0
hex9604650

157304400 has 240 divisors, whose sum is σ = 582873408. Its totient is φ = 35840000.

The previous prime is 157304393. The next prime is 157304431. The reversal of 157304400 is 4403751.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 224050 + ... + 224750.

Almost surely, 2157304400 is an apocalyptic number.

157304400 is a gapful number since it is divisible by the number (10) 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 157304400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291436704).

157304400 is an abundant number, since it is smaller than the sum of its proper divisors (425569008).

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

157304400 is a wasteful number, since it uses less digits than its factorization.

157304400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750 (or 739 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 157304400 is about 12542.1050864677. The cubic root of 157304400 is about 539.8174966255.

The spelling of 157304400 in words is "one hundred fifty-seven million, three hundred four thousand, four hundred".