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507263740 = 22579321053
BaseRepresentation
bin11110001111000…
…011101011111100
31022100111200000221
4132033003223330
52014324414430
6122200231124
715366446014
oct3617035374
91270450027
10507263740
11240378835
12121a6b4a4
1381129379
144b526c44
152e80057a
hex1e3c3afc

507263740 has 24 divisors (see below), whose sum is σ = 1078741440. Its totient is φ = 200336448.

The previous prime is 507263719. The next prime is 507263741. The reversal of 507263740 is 47362705.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 507263696 and 507263705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507263741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158947 + ... + 162106.

It is an arithmetic number, because the mean of its divisors is an integer number (44947560).

Almost surely, 2507263740 is an apocalyptic number.

It is an amenable number.

507263740 is an abundant number, since it is smaller than the sum of its proper divisors (571477700).

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

507263740 is a wasteful number, since it uses less digits than its factorization.

507263740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321141 (or 321139 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 507263740 is about 22522.5162892604. The cubic root of 507263740 is about 797.5255521928.

The spelling of 507263740 in words is "five hundred seven million, two hundred sixty-three thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 79 158 316 395 790 1580 321053 642106 1284212 1605265 3210530 6421060 25363187 50726374 101452748 126815935 253631870 507263740