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54971436 = 22313352381
BaseRepresentation
bin1101000110110…
…0110000101100
310211102211122010
43101230300230
5103033041221
65242121220
71235151402
oct321546054
9124384563
1054971436
1129036943
12164b0210
13b5091a0
14742d472
154c5cc76
hex346cc2c

54971436 has 24 divisors (see below), whose sum is σ = 138133744. Its totient is φ = 16914240.

The previous prime is 54971429. The next prime is 54971453. The reversal of 54971436 is 63417945.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 54971394 and 54971403.

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, 176035 + ... + 176346.

Almost surely, 254971436 is an apocalyptic number.

It is an amenable number.

54971436 is an abundant number, since it is smaller than the sum of its proper divisors (83162308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54971436 is a wasteful number, since it uses less digits than its factorization.

54971436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352401 (or 352399 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 54971436 is about 7414.2724525067. The cubic root of 54971436 is about 380.2293998067.

The spelling of 54971436 in words is "fifty-four million, nine hundred seventy-one thousand, four hundred thirty-six".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 352381 704762 1057143 1409524 2114286 4228572 4580953 9161906 13742859 18323812 27485718 54971436