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84010072 = 23157211317
BaseRepresentation
bin1010000000111…
…10010001011000
312212002011011011
411000132101120
5133001310242
612200343304
72040034216
oct500362130
9185064134
1084010072
1143470013
1224174b34
1314535703
14b22bcb6
157596d17
hex501e458

84010072 has 32 divisors (see below), whose sum is σ = 159775920. Its totient is φ = 41408640.

The previous prime is 84010063. The next prime is 84010081. The reversal of 84010072 is 27001048.

It is an interprime number because it is at equal distance from previous prime (84010063) and next prime (84010081).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264858 + ... + 265174.

Almost surely, 284010072 is an apocalyptic number.

It is an amenable number.

84010072 is a deficient number, since it is larger than the sum of its proper divisors (75765848).

84010072 is a wasteful number, since it uses less digits than its factorization.

84010072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691 (or 687 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 84010072 is about 9165.7008460892. The cubic root of 84010072 is about 437.9694174625.

The spelling of 84010072 in words is "eighty-four million, ten thousand, seventy-two".

Divisors: 1 2 4 8 157 211 314 317 422 628 634 844 1256 1268 1688 2536 33127 49769 66254 66887 99538 132508 133774 199076 265016 267548 398152 535096 10501259 21002518 42005036 84010072