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150407021 = 1929272971
BaseRepresentation
bin10001111011100…
…00011101101101
3101111000110122102
420331300131231
5302001011041
622531424445
73504303302
oct1075603555
9344013572
10150407021
11779a0026
1242455125
132521224b
1415d930a9
15d31009b
hex8f7076d

150407021 has 8 divisors (see below), whose sum is σ = 163783200. Its totient is φ = 137576880.

The previous prime is 150407017. The next prime is 150407069. The reversal of 150407021 is 120704051.

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 150407021 - 22 = 150407017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 150406984 and 150407002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150407221) 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, 135935 + ... + 137036.

It is an arithmetic number, because the mean of its divisors is an integer number (20472900).

Almost surely, 2150407021 is an apocalyptic number.

It is an amenable number.

150407021 is a deficient number, since it is larger than the sum of its proper divisors (13376179).

150407021 is a wasteful number, since it uses less digits than its factorization.

150407021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273019.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 150407021 is about 12264.0540197767. The cubic root of 150407021 is about 531.8094331777.

The spelling of 150407021 in words is "one hundred fifty million, four hundred seven thousand, twenty-one".

Divisors: 1 19 29 551 272971 5186449 7916159 150407021