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149872250 = 2531154499
BaseRepresentation
bin10001110111011…
…01111001111010
3101110000022002002
420323231321322
5301331403000
622512141002
73466615223
oct1073557172
9343008062
10149872250
1177665270
1242237762
1325085a08
1415c9424a
15d2568d5
hex8eede7a

149872250 has 32 divisors (see below), whose sum is σ = 306072000. Its totient is φ = 54498000.

The previous prime is 149872249. The next prime is 149872271. The reversal of 149872250 is 52278941.

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, 24500 + ... + 29999.

It is an arithmetic number, because the mean of its divisors is an integer number (9564750).

Almost surely, 2149872250 is an apocalyptic number.

149872250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149872250 is an abundant number, since it is smaller than the sum of its proper divisors (156199750).

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

149872250 is a wasteful number, since it uses less digits than its factorization.

149872250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54527 (or 54517 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 149872250 is about 12242.2322310925. The cubic root of 149872250 is about 531.1784032694.

The spelling of 149872250 in words is "one hundred forty-nine million, eight hundred seventy-two thousand, two hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 125 250 275 550 1375 2750 54499 108998 272495 544990 599489 1198978 1362475 2724950 2997445 5994890 6812375 13624750 14987225 29974450 74936125 149872250