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157093485 = 3510472899
BaseRepresentation
bin10010101110100…
…00111001101101
3101221121011202020
421113100321231
5310203442420
623331020353
73615162333
oct1127207155
9357534666
10157093485
118074772a
124473a6b9
1326713833
1416c13b53
15dbd1340
hex95d0e6d

157093485 has 8 divisors (see below), whose sum is σ = 251349600. Its totient is φ = 83783184.

The previous prime is 157093457. The next prime is 157093487. The reversal of 157093485 is 584390751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157093485 - 27 = 157093357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157093487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5236435 + ... + 5236464.

It is an arithmetic number, because the mean of its divisors is an integer number (31418700).

Almost surely, 2157093485 is an apocalyptic number.

157093485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157093485 is a deficient number, since it is larger than the sum of its proper divisors (94256115).

157093485 is a wasteful number, since it uses less digits than its factorization.

157093485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10472907.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 157093485 is about 12533.6939886053. The cubic root of 157093485 is about 539.5761248406.

The spelling of 157093485 in words is "one hundred fifty-seven million, ninety-three thousand, four hundred eighty-five".

Divisors: 1 3 5 15 10472899 31418697 52364495 157093485