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5401902990 = 2351116369403
BaseRepresentation
bin1010000011111101…
…00111111110001110
3111221110122002211010
411001332213332032
542030341343430
62252005310050
7250602263211
oct50176477616
914843562733
105401902990
112322262740
121069105326
136811b8403
143935dd778
15219393cb0
hex141fa7f8e

5401902990 has 32 divisors (see below), whose sum is σ = 14143165056. Its totient is φ = 1309552160.

The previous prime is 5401902953. The next prime is 5401903009. The reversal of 5401902990 is 992091045.

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, 8184372 + ... + 8185031.

It is an arithmetic number, because the mean of its divisors is an integer number (441973908).

Almost surely, 25401902990 is an apocalyptic number.

5401902990 is an abundant number, since it is smaller than the sum of its proper divisors (8741262066).

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

5401902990 is a wasteful number, since it uses less digits than its factorization.

5401902990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16369424.

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 5401902990 is about 73497.6393498458. The cubic root of 5401902990 is about 1754.6167067427.

The spelling of 5401902990 in words is "five billion, four hundred one million, nine hundred two thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 16369403 32738806 49108209 81847015 98216418 163694030 180063433 245541045 360126866 491082090 540190299 900317165 1080380598 1800634330 2700951495 5401902990