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42408652 = 221113151491
BaseRepresentation
bin1010000111000…
…1101011001100
32221210120201211
42201301223030
541324034102
64112544204
71023316246
oct241615314
987716654
1042408652
1121a36280
1212252064
138a2aca0
1458bd096
153aca7d7
hex2871acc

42408652 has 48 divisors (see below), whose sum is σ = 87945984. Its totient is φ = 17640000.

The previous prime is 42408649. The next prime is 42408677. The reversal of 42408652 is 25680424.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

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, 86127 + ... + 86617.

It is an arithmetic number, because the mean of its divisors is an integer number (1832208).

Almost surely, 242408652 is an apocalyptic number.

It is an amenable number.

42408652 is an abundant number, since it is smaller than the sum of its proper divisors (45537332).

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

42408652 is a wasteful number, since it uses less digits than its factorization.

42408652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 42408652 is about 6512.1925647204. The cubic root of 42408652 is about 348.7263970015.

The spelling of 42408652 in words is "forty-two million, four hundred eight thousand, six hundred fifty-two".

Divisors: 1 2 4 11 13 22 26 44 52 143 151 286 302 491 572 604 982 1661 1963 1964 3322 3926 5401 6383 6644 7852 10802 12766 21593 21604 25532 43186 70213 74141 86372 140426 148282 280852 296564 815551 963833 1631102 1927666 3262204 3855332 10602163 21204326 42408652