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151472490 = 23513388391
BaseRepresentation
bin10010000011101…
…00100101101010
3101120000121012020
421001310211222
5302234104430
623010325310
73516331521
oct1101644552
9346017166
10151472490
1178558584
1242889836
13254c61c0
141618d4b8
15d470b10
hex907496a

151472490 has 32 divisors (see below), whose sum is σ = 391499136. Its totient is φ = 37285440.

The previous prime is 151472473. The next prime is 151472513. The reversal of 151472490 is 94274151.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193806 + ... + 194585.

It is an arithmetic number, because the mean of its divisors is an integer number (12234348).

Almost surely, 2151472490 is an apocalyptic number.

151472490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151472490 is an abundant number, since it is smaller than the sum of its proper divisors (240026646).

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

151472490 is a wasteful number, since it uses less digits than its factorization.

151472490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388414.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 151472490 is about 12307.4160569959. The cubic root of 151472490 is about 533.0622420029.

The spelling of 151472490 in words is "one hundred fifty-one million, four hundred seventy-two thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 388391 776782 1165173 1941955 2330346 3883910 5049083 5825865 10098166 11651730 15147249 25245415 30294498 50490830 75736245 151472490