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54629380 = 22513210113
BaseRepresentation
bin1101000001100…
…1010000000100
310210210110102101
43100121100010
5102441120010
65230521444
71232225221
oct320312004
9123713371
1054629380
1128922953
1216366284
13b4195a0
147380948
154be173a
hex3419404

54629380 has 24 divisors (see below), whose sum is σ = 123547032. Its totient is φ = 20170752.

The previous prime is 54629371. The next prime is 54629387. The reversal of 54629380 is 8392645.

It can be written as a sum of positive squares in 4 ways, for example, as 4955076 + 49674304 = 2226^2 + 7048^2 .

It is not an unprimeable number, because it can be changed into a prime (54629387) 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, 104797 + ... + 105316.

It is an arithmetic number, because the mean of its divisors is an integer number (5147793).

Almost surely, 254629380 is an apocalyptic number.

It is an amenable number.

54629380 is an abundant number, since it is smaller than the sum of its proper divisors (68917652).

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

54629380 is a wasteful number, since it uses less digits than its factorization.

54629380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210135 (or 210133 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 54629380 is about 7391.1690550278. The cubic root of 54629380 is about 379.4391078774.

The spelling of 54629380 in words is "fifty-four million, six hundred twenty-nine thousand, three hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 210113 420226 840452 1050565 2101130 2731469 4202260 5462938 10925876 13657345 27314690 54629380