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100074421 = 4712231741
BaseRepresentation
bin1011111011100…
…00001110110101
320222022022022001
411331300032311
5201104340141
613532535301
72323422106
oct575601665
9228268261
10100074421
1151542437
1229621531
131796b645
14d4103ad
158bbba31
hex5f703b5

100074421 has 8 divisors (see below), whose sum is σ = 102345984. Its totient is φ = 97808880.

The previous prime is 100074419. The next prime is 100074433. The reversal of 100074421 is 124470001.

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

It is not a de Polignac number, because 100074421 - 21 = 100074419 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 (100074451) 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, 56611 + ... + 58351.

It is an arithmetic number, because the mean of its divisors is an integer number (12793248).

Almost surely, 2100074421 is an apocalyptic number.

It is an amenable number.

100074421 is a deficient number, since it is larger than the sum of its proper divisors (2271563).

100074421 is a wasteful number, since it uses less digits than its factorization.

100074421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3011.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 100074421 is about 10003.7203579468. The cubic root of 100074421 is about 464.2739987035.

The spelling of 100074421 in words is "one hundred million, seventy-four thousand, four hundred twenty-one".

Divisors: 1 47 1223 1741 57481 81827 2129243 100074421