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293040420 = 223519257053
BaseRepresentation
bin10001011101110…
…111000100100100
3202102101222212220
4101131313010210
51100004243140
645024512340
710155542151
oct2135670444
9672358786
10293040420
11140460672
128217b6b0
13489320ca
142acc1228
151aad6bd0
hex11777124

293040420 has 48 divisors (see below), whose sum is σ = 863701440. Its totient is φ = 74030976.

The previous prime is 293040409. The next prime is 293040431. The reversal of 293040420 is 24040392.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (293040409) and next prime (293040431).

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, 127387 + ... + 129666.

It is an arithmetic number, because the mean of its divisors is an integer number (17993780).

Almost surely, 2293040420 is an apocalyptic number.

293040420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

293040420 is an abundant number, since it is smaller than the sum of its proper divisors (570661020).

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

293040420 is a wasteful number, since it uses less digits than its factorization.

293040420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257084 (or 257082 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 293040420 is about 17118.4234087138. The cubic root of 293040420 is about 664.2157600716.

The spelling of 293040420 in words is "two hundred ninety-three million, forty thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 1140 257053 514106 771159 1028212 1285265 1542318 2570530 3084636 3855795 4884007 5141060 7711590 9768014 14652021 15423180 19536028 24420035 29304042 48840070 58608084 73260105 97680140 146520210 293040420