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8040604990 = 251179925271
BaseRepresentation
bin1110111110100000…
…11110010100111110
3202202100211001110211
413133100132110332
5112431343324430
63405510023034
7403153005025
oct73720362476
922670731424
108040604990
1134567915a0
121684947a7a
139b1a8c142
14563c378bc
15320d6b72a
hex1df41e53e

8040604990 has 32 divisors (see below), whose sum is σ = 15988700160. Its totient is φ = 2886842400.

The previous prime is 8040604967. The next prime is 8040604991. The reversal of 8040604990 is 994060408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8040604991) 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, 453946 + ... + 471325.

It is an arithmetic number, because the mean of its divisors is an integer number (499646880).

Almost surely, 28040604990 is an apocalyptic number.

8040604990 is a deficient number, since it is larger than the sum of its proper divisors (7948095170).

8040604990 is a wasteful number, since it uses less digits than its factorization.

8040604990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925368.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 8040604990 is about 89669.4205958754. The cubic root of 8040604990 is about 2003.3780403760.

The spelling of 8040604990 in words is "eight billion, forty million, six hundred four thousand, nine hundred ninety".

Divisors: 1 2 5 10 11 22 55 79 110 158 395 790 869 1738 4345 8690 925271 1850542 4626355 9252710 10177981 20355962 50889905 73096409 101779810 146192818 365482045 730964090 804060499 1608120998 4020302495 8040604990