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74013830 = 25116191087
BaseRepresentation
bin1000110100101…
…01110010000110
312011021021212222
410122111302012
5122421420310
611202212342
71556051522
oct432256206
9164237788
1074013830
1138862760
12209540b2
1312445787
149b88d82
156770055
hex4695c86

74013830 has 32 divisors (see below), whose sum is σ = 145704960. Its totient is φ = 26845920.

The previous prime is 74013817. The next prime is 74013847. The reversal of 74013830 is 3831047.

It is a self number, because there is not a number n which added to its sum of digits gives 74013830.

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, 67547 + ... + 68633.

It is an arithmetic number, because the mean of its divisors is an integer number (4553280).

Almost surely, 274013830 is an apocalyptic number.

74013830 is a deficient number, since it is larger than the sum of its proper divisors (71691130).

74013830 is a wasteful number, since it uses less digits than its factorization.

74013830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 74013830 is about 8603.1290819097. The cubic root of 74013830 is about 419.8597982531.

Adding to 74013830 its reverse (3831047), we get a palindrome (77844877).

The spelling of 74013830 in words is "seventy-four million, thirteen thousand, eight hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 619 1087 1238 2174 3095 5435 6190 6809 10870 11957 13618 23914 34045 59785 68090 119570 672853 1345706 3364265 6728530 7401383 14802766 37006915 74013830