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49173420 = 2235827991
BaseRepresentation
bin1011101110010…
…1001110101100
310102112021020210
42323211032230
5100042022140
64513542420
71134652512
oct273451654
9112467223
1049173420
112583679a
1214574a10
13a2590ca
1467604b2
1544b4d80
hex2ee53ac

49173420 has 48 divisors (see below), whose sum is σ = 137991168. Its totient is φ = 13083840.

The previous prime is 49173413. The next prime is 49173431. The reversal of 49173420 is 2437194.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 49125 + ... + 50115.

It is an arithmetic number, because the mean of its divisors is an integer number (2874816).

Almost surely, 249173420 is an apocalyptic number.

It is an amenable number.

49173420 is an abundant number, since it is smaller than the sum of its proper divisors (88817748).

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

49173420 is a wasteful number, since it uses less digits than its factorization.

49173420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830 (or 1828 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 49173420 is about 7012.3762021158. The cubic root of 49173420 is about 366.3617612154.

The spelling of 49173420 in words is "forty-nine million, one hundred seventy-three thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 827 991 1654 1982 2481 2973 3308 3964 4135 4955 4962 5946 8270 9910 9924 11892 12405 14865 16540 19820 24810 29730 49620 59460 819557 1639114 2458671 3278228 4097785 4917342 8195570 9834684 12293355 16391140 24586710 49173420