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75402214 = 237701107
BaseRepresentation
bin1000111111010…
…00101111100110
312020212211101121
410133220233212
5123300332324
611252044154
71603623346
oct437505746
9166784347
1075402214
1139620888
122130365a
13128106c4
14a02ad26
1569465e4
hex47e8be6

75402214 has 4 divisors (see below), whose sum is σ = 113103324. Its totient is φ = 37701106.

The previous prime is 75402209. The next prime is 75402251. The reversal of 75402214 is 41220457.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×754022142 = 11370987752203592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18850552 + ... + 18850555.

It is an arithmetic number, because the mean of its divisors is an integer number (28275831).

Almost surely, 275402214 is an apocalyptic number.

75402214 is a deficient number, since it is larger than the sum of its proper divisors (37701110).

75402214 is a wasteful number, since it uses less digits than its factorization.

75402214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37701109.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 75402214 is about 8683.4448233406. Note that the first 3 decimals coincide. The cubic root of 75402214 is about 422.4688566379.

The spelling of 75402214 in words is "seventy-five million, four hundred two thousand, two hundred fourteen".

Divisors: 1 2 37701107 75402214