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15420092 = 223855023
BaseRepresentation
bin111010110100…
…101010111100
31002000102101112
4322310222330
512421420332
61310301152
7245032352
oct72645274
932012345
1015420092
118782386
1251b77b8
13326b91c
1420957d2
151548db2
hexeb4abc

15420092 has 6 divisors (see below), whose sum is σ = 26985168. Its totient is φ = 7710044.

The previous prime is 15420079. The next prime is 15420103. The reversal of 15420092 is 29002451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1927508 + ... + 1927515.

It is an arithmetic number, because the mean of its divisors is an integer number (4497528).

Almost surely, 215420092 is an apocalyptic number.

It is an amenable number.

15420092 is a deficient number, since it is larger than the sum of its proper divisors (11565076).

15420092 is a wasteful number, since it uses less digits than its factorization.

15420092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3855027 (or 3855025 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 15420092 is about 3926.8424974781. The cubic root of 15420092 is about 248.9023450007.

The spelling of 15420092 in words is "fifteen million, four hundred twenty thousand, ninety-two".

Divisors: 1 2 4 3855023 7710046 15420092