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71400632 = 23191134157
BaseRepresentation
bin1000100000101…
…11110010111000
311222100112020212
410100113302320
5121234310012
611030210252
71524616052
oct420276270
9158315225
1071400632
1137338396
121bab3988
1311a3c1c4
1496a88d2
156405b22
hex4417cb8

71400632 has 32 divisors (see below), whose sum is σ = 142203600. Its totient is φ = 33513984.

The previous prime is 71400631. The next prime is 71400677. The reversal of 71400632 is 23600417.

It is a junction number, because it is equal to n+sod(n) for n = 71400598 and 71400607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71400631) 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, 15098 + ... + 19254.

Almost surely, 271400632 is an apocalyptic number.

It is an amenable number.

71400632 is a deficient number, since it is larger than the sum of its proper divisors (70802968).

71400632 is a wasteful number, since it uses less digits than its factorization.

71400632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4295 (or 4291 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 71400632 is about 8449.8894667327. The cubic root of 71400632 is about 414.8591615767.

The spelling of 71400632 in words is "seventy-one million, four hundred thousand, six hundred thirty-two".

Divisors: 1 2 4 8 19 38 76 113 152 226 452 904 2147 4157 4294 8314 8588 16628 17176 33256 78983 157966 315932 469741 631864 939482 1878964 3757928 8925079 17850158 35700316 71400632