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151029990 = 23251678111
BaseRepresentation
bin10010000000010…
…00100011100110
3101112012010012100
421000020203212
5302130424430
622553032530
73512506446
oct1100104346
9345163170
10151029990
1178286081
12426b5746
132539c977
14160b6126
15d3d4960
hex90088e6

151029990 has 24 divisors (see below), whose sum is σ = 392678208. Its totient is φ = 40274640.

The previous prime is 151029979. The next prime is 151030007. The reversal of 151029990 is 99920151.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 838966 + ... + 839145.

It is an arithmetic number, because the mean of its divisors is an integer number (16361592).

Almost surely, 2151029990 is an apocalyptic number.

151029990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151029990 is an abundant number, since it is smaller than the sum of its proper divisors (241648218).

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

151029990 is a wasteful number, since it uses less digits than its factorization.

151029990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678124 (or 1678121 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 36.

The square root of 151029990 is about 12289.4259426549. The cubic root of 151029990 is about 532.5426534636.

The spelling of 151029990 in words is "one hundred fifty-one million, twenty-nine thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1678111 3356222 5034333 8390555 10068666 15102999 16781110 25171665 30205998 50343330 75514995 151029990