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102070501 = 139478291
BaseRepresentation
bin1100001010101…
…11100011100101
321010001201101221
412011113203211
5202112224001
614043420341
72346404431
oct605274345
9233051357
10102070501
1152686095
122a2246b1
13181ba060
14d7ad9c1
158e631a1
hex61578e5

102070501 has 8 divisors (see below), whose sum is σ = 110051424. Its totient is φ = 94108080.

The previous prime is 102070487. The next prime is 102070537. The reversal of 102070501 is 105070201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102070501 - 211 = 102068453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102070561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8166 + ... + 16456.

It is an arithmetic number, because the mean of its divisors is an integer number (13756428).

Almost surely, 2102070501 is an apocalyptic number.

It is an amenable number.

102070501 is a deficient number, since it is larger than the sum of its proper divisors (7980923).

102070501 is an equidigital number, since it uses as much as digits as its factorization.

102070501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9251.

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 102070501 is about 10102.9946550515. The cubic root of 102070501 is about 467.3404963596.

The spelling of 102070501 in words is "one hundred two million, seventy thousand, five hundred one".

Divisors: 1 13 947 8291 12311 107783 7851577 102070501