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1490606157 = 31648730137
BaseRepresentation
bin101100011011000…
…1101100001001101
310211212211122020110
41120312031201031
511023043344112
6403524510233
751636641355
oct13066154115
93755748213
101490606157
116a5454517
1235724b379
131a9a835a1
14101d79b65
158ace113c
hex58d8d84d

1490606157 has 8 divisors (see below), whose sum is σ = 1987661376. Its totient is φ = 993644192.

The previous prime is 1490606153. The next prime is 1490606167. The reversal of 1490606157 is 7516060941.

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

It is a cyclic number.

It is not a de Polignac number, because 1490606157 - 22 = 1490606153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490606153) 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, 34393 + ... + 64529.

It is an arithmetic number, because the mean of its divisors is an integer number (248457672).

Almost surely, 21490606157 is an apocalyptic number.

It is an amenable number.

1490606157 is a deficient number, since it is larger than the sum of its proper divisors (497055219).

1490606157 is a wasteful number, since it uses less digits than its factorization.

1490606157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46627.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 1490606157 is about 38608.3690020700. The cubic root of 1490606157 is about 1142.3196221163.

The spelling of 1490606157 in words is "one billion, four hundred ninety million, six hundred six thousand, one hundred fifty-seven".

Divisors: 1 3 16487 30137 49461 90411 496868719 1490606157