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42470216 = 2317312281
BaseRepresentation
bin1010001000000…
…0101101001000
32221220201011222
42202000231020
541333021331
64114141212
71023663605
oct242005510
987821158
1042470216
1121a78558
1212281808
138a50009
1458d76ac
153addb7b
hex2880b48

42470216 has 16 divisors (see below), whose sum is σ = 84316140. Its totient is φ = 19985920.

The previous prime is 42470201. The next prime is 42470231. The reversal of 42470216 is 61207424.

It is an interprime number because it is at equal distance from previous prime (42470201) and next prime (42470231).

It can be written as a sum of positive squares in 2 ways, for example, as 39062500 + 3407716 = 6250^2 + 1846^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156005 + ... + 156276.

Almost surely, 242470216 is an apocalyptic number.

It is an amenable number.

42470216 is a deficient number, since it is larger than the sum of its proper divisors (41845924).

42470216 is a wasteful number, since it uses less digits than its factorization.

42470216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312304 (or 312300 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 42470216 is about 6516.9176763252. The cubic root of 42470216 is about 348.8950623604.

The spelling of 42470216 in words is "forty-two million, four hundred seventy thousand, two hundred sixteen".

Divisors: 1 2 4 8 17 34 68 136 312281 624562 1249124 2498248 5308777 10617554 21235108 42470216