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152225970 = 23513390323
BaseRepresentation
bin10010001001011…
…00100010110010
3101121102212202220
421010230202302
5302432212340
623034421510
73525620331
oct1104544262
9347385686
10152225970
1178a22696
1242b91896
13256cb150
1416307d18
15d56ded0
hex912c8b2

152225970 has 32 divisors (see below), whose sum is σ = 393446592. Its totient is φ = 37470912.

The previous prime is 152225897. The next prime is 152225971. The reversal of 152225970 is 79522251.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (152225971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194772 + ... + 195551.

It is an arithmetic number, because the mean of its divisors is an integer number (12295206).

Almost surely, 2152225970 is an apocalyptic number.

152225970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

152225970 is an abundant number, since it is smaller than the sum of its proper divisors (241220622).

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

152225970 is a wasteful number, since it uses less digits than its factorization.

152225970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390346.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 152225970 is about 12337.9888960884. The cubic root of 152225970 is about 533.9446631488.

The spelling of 152225970 in words is "one hundred fifty-two million, two hundred twenty-five thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 390323 780646 1170969 1951615 2341938 3903230 5074199 5854845 10148398 11709690 15222597 25370995 30445194 50741990 76112985 152225970