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7420427604 = 2233531296371
BaseRepresentation
bin1101110100100101…
…01011110101010100
3201011010211210001000
412322102223311110
5110144112140404
63224153303300
7351612410502
oct67222536524
921133753030
107420427604
1131687020a7
121531104b30
1391344a485
1450571b672
152d66b5339
hex1ba4abd54

7420427604 has 48 divisors (see below), whose sum is σ = 19601144640. Its totient is φ = 2426804640.

The previous prime is 7420427593. The next prime is 7420427611. The reversal of 7420427604 is 4067240247.

It is a happy number.

7420427604 is a `hidden beast` number, since 7 + 4 + 2 + 0 + 42 + 7 + 604 = 666.

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 15 ways as a sum of consecutive naturals, for example, 642462 + ... + 653909.

It is an arithmetic number, because the mean of its divisors is an integer number (408357180).

Almost surely, 27420427604 is an apocalyptic number.

It is an amenable number.

7420427604 is an abundant number, since it is smaller than the sum of its proper divisors (12180717036).

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

7420427604 is a wasteful number, since it uses less digits than its factorization.

7420427604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296437 (or 1296429 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The square root of 7420427604 is about 86141.9038795870. The cubic root of 7420427604 is about 1950.4866288459.

The spelling of 7420427604 in words is "seven billion, four hundred twenty million, four hundred twenty-seven thousand, six hundred four".

Divisors: 1 2 3 4 6 9 12 18 27 36 53 54 106 108 159 212 318 477 636 954 1431 1908 2862 5724 1296371 2592742 3889113 5185484 7778226 11667339 15556452 23334678 35002017 46669356 68707663 70004034 137415326 140008068 206122989 274830652 412245978 618368967 824491956 1236737934 1855106901 2473475868 3710213802 7420427604