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290552472 = 23327576493
BaseRepresentation
bin10001010100010…
…111101010011000
3202020201121001200
4101110113222120
51043340134342
644455314200
710125440520
oct2124275230
9666647050
10290552472
1113a011411
128137b960
1348270852
142a834680
151a79494c
hex11517a98

290552472 has 48 divisors (see below), whose sum is σ = 899330640. Its totient is φ = 83014848.

The previous prime is 290552461. The next prime is 290552473. The reversal of 290552472 is 274255092.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290552473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 287743 + ... + 288750.

It is an arithmetic number, because the mean of its divisors is an integer number (18736055).

Almost surely, 2290552472 is an apocalyptic number.

It is an amenable number.

290552472 is an abundant number, since it is smaller than the sum of its proper divisors (608778168).

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

290552472 is a wasteful number, since it uses less digits than its factorization.

290552472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576512 (or 576505 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 290552472 is about 17045.5997841085. The cubic root of 290552472 is about 662.3306581303.

The spelling of 290552472 in words is "two hundred ninety million, five hundred fifty-two thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 576493 1152986 1729479 2305972 3458958 4035451 4611944 5188437 6917916 8070902 10376874 12106353 13835832 16141804 20753748 24212706 32283608 36319059 41507496 48425412 72638118 96850824 145276236 290552472