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554000442 = 231931592657
BaseRepresentation
bin100001000001010…
…110000000111010
31102121110010201220
4201001112000322
52113311003232
6130550052510
716504632432
oct4101260072
91377403656
10554000442
1126479a806
1213564a136
138aa11318
14538112c2
153398342c
hex2105603a

554000442 has 64 divisors (see below), whose sum is σ = 1224806400. Its totient is φ = 166371840.

The previous prime is 554000417. The next prime is 554000449. The reversal of 554000442 is 244000455.

It is not an unprimeable number, because it can be changed into a prime (554000449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207178 + ... + 209834.

It is an arithmetic number, because the mean of its divisors is an integer number (19137600).

Almost surely, 2554000442 is an apocalyptic number.

554000442 is an abundant number, since it is smaller than the sum of its proper divisors (670805958).

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

554000442 is a wasteful number, since it uses less digits than its factorization.

554000442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 554000442 is about 23537.2139812680. The cubic root of 554000442 is about 821.3029266549.

Adding to 554000442 its reverse (244000455), we get a palindrome (798000897).

The spelling of 554000442 in words is "five hundred fifty-four million, four hundred forty-two", and thus it is an aban number.

Divisors: 1 2 3 6 19 31 38 57 59 62 93 114 118 177 186 354 589 1121 1178 1767 1829 2242 2657 3363 3534 3658 5314 5487 6726 7971 10974 15942 34751 50483 69502 82367 100966 104253 151449 156763 164734 208506 247101 302898 313526 470289 494202 940578 1564973 2978497 3129946 4694919 4859653 5956994 8935491 9389838 9719306 14578959 17870982 29157918 92333407 184666814 277000221 554000442