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120152390 = 2519632381
BaseRepresentation
bin1110010100101…
…10000101000110
322101002101002112
413022112011012
5221224334030
615531141022
72656164341
oct712260506
9271071075
10120152390
11619062a6
12342a4772
131bb7b3b7
1411d59458
15a835a95
hex7296146

120152390 has 16 divisors (see below), whose sum is σ = 227657520. Its totient is φ = 45531360.

The previous prime is 120152381. The next prime is 120152399. The reversal of 120152390 is 93251021.

It is an interprime number because it is at equal distance from previous prime (120152381) and next prime (120152399).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120152399) 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, 316001 + ... + 316380.

It is an arithmetic number, because the mean of its divisors is an integer number (14228595).

Almost surely, 2120152390 is an apocalyptic number.

120152390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120152390 is a deficient number, since it is larger than the sum of its proper divisors (107505130).

120152390 is a wasteful number, since it uses less digits than its factorization.

120152390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632407.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 120152390 is about 10961.4045632848. The cubic root of 120152390 is about 493.4511187999.

The spelling of 120152390 in words is "one hundred twenty million, one hundred fifty-two thousand, three hundred ninety".

Divisors: 1 2 5 10 19 38 95 190 632381 1264762 3161905 6323810 12015239 24030478 60076195 120152390