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7425080 = 23513109131
BaseRepresentation
bin11100010100110000111000
3111222020021222
4130110300320
53400100310
6423051212
7120053315
oct34246070
914866258
107425080
114211633
1225a0b08
1316cc850
14db3d0c
159ba055
hex714c38

7425080 has 64 divisors (see below), whose sum is σ = 18295200. Its totient is φ = 2695680.

The previous prime is 7425053. The next prime is 7425083. The reversal of 7425080 is 805247.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7425083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56615 + ... + 56745.

Almost surely, 27425080 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 7425080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9147600).

7425080 is an abundant number, since it is smaller than the sum of its proper divisors (10870120).

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

7425080 is a wasteful number, since it uses less digits than its factorization.

7425080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 7425080 is about 2724.8999981651. The cubic root of 7425080 is about 195.0894176805.

The spelling of 7425080 in words is "seven million, four hundred twenty-five thousand, eighty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 109 130 131 218 260 262 436 520 524 545 655 872 1048 1090 1310 1417 1703 2180 2620 2834 3406 4360 5240 5668 6812 7085 8515 11336 13624 14170 14279 17030 28340 28558 34060 56680 57116 68120 71395 114232 142790 185627 285580 371254 571160 742508 928135 1485016 1856270 3712540 7425080