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54195408 = 24323731009
BaseRepresentation
bin1100111010111…
…1010011010000
310202222102010100
43032233103100
5102333223113
65213332400
71225440051
oct316572320
9122872110
1054195408
11286568a3
1216197100
13b2c6bb7
1472aa728
154b57d73
hex33af4d0

54195408 has 60 divisors (see below), whose sum is σ = 152229220. Its totient is φ = 17998848.

The previous prime is 54195397. The next prime is 54195433. The reversal of 54195408 is 80459145.

It can be written as a sum of positive squares in 2 ways, for example, as 22924944 + 31270464 = 4788^2 + 5592^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53208 + ... + 54216.

Almost surely, 254195408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54195408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76114610).

54195408 is an abundant number, since it is smaller than the sum of its proper divisors (98033812).

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

54195408 is a wasteful number, since it uses less digits than its factorization.

54195408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396 (or 1387 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 54195408 is about 7361.7530520930. The cubic root of 54195408 is about 378.4316895570.

The spelling of 54195408 in words is "fifty-four million, one hundred ninety-five thousand, four hundred eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 373 746 1009 1119 1492 2018 2238 2984 3027 3357 4036 4476 5968 6054 6714 8072 8952 9081 12108 13428 16144 17904 18162 24216 26856 36324 48432 53712 72648 145296 376357 752714 1129071 1505428 2258142 3010856 3387213 4516284 6021712 6774426 9032568 13548852 18065136 27097704 54195408