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152442213 = 37112173529
BaseRepresentation
bin10010001011000…
…01010101100101
3101121211212101220
421011201111211
5303011122323
623043210553
73530510640
oct1105412545
9347755356
10152442213
1179060100
1243076a59
13257756c1
1416362a57
15d5b30e3
hex9161565

152442213 has 48 divisors (see below), whose sum is σ = 270426240. Its totient is φ = 74511360.

The previous prime is 152442209. The next prime is 152442239. The reversal of 152442213 is 312244251.

It is not a de Polignac number, because 152442213 - 22 = 152442209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152442313) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41433 + ... + 44961.

It is an arithmetic number, because the mean of its divisors is an integer number (5633880).

Almost surely, 2152442213 is an apocalyptic number.

It is an amenable number.

152442213 is a deficient number, since it is larger than the sum of its proper divisors (117984027).

152442213 is a wasteful number, since it uses less digits than its factorization.

152442213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3578 (or 3567 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 152442213 is about 12346.7490862980. The cubic root of 152442213 is about 534.1973733493.

Adding to 152442213 its reverse (312244251), we get a palindrome (464686464).

The spelling of 152442213 in words is "one hundred fifty-two million, four hundred forty-two thousand, two hundred thirteen".

Divisors: 1 3 7 11 17 21 33 51 77 119 121 187 231 357 363 561 847 1309 2057 2541 3529 3927 6171 10587 14399 24703 38819 43197 59993 74109 116457 179979 271733 419951 427009 659923 815199 1259853 1281027 1979769 2989063 4619461 7259153 8967189 13858383 21777459 50814071 152442213