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40977950 = 25213232741
BaseRepresentation
bin1001110001010…
…0011000011110
32212002220011212
42130110120132
540442243300
64022144422
71005210146
oct234243036
985086155
1040977950
1121149382
1211882112
138649a10
145629926
1538e6935
hex271461e

40977950 has 48 divisors (see below), whose sum is σ = 85682016. Its totient is φ = 14467200.

The previous prime is 40977931. The next prime is 40977961. The reversal of 40977950 is 5977904.

40977950 = 2112 + 2122 + ... + 5092.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40977898 and 40977907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13580 + ... + 16320.

It is an arithmetic number, because the mean of its divisors is an integer number (1785042).

Almost surely, 240977950 is an apocalyptic number.

40977950 is an abundant number, since it is smaller than the sum of its proper divisors (44704066).

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

40977950 is a wasteful number, since it uses less digits than its factorization.

40977950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2789 (or 2784 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 40977950 is about 6401.4021901455. The cubic root of 40977950 is about 344.7598973516.

The spelling of 40977950 in words is "forty million, nine hundred seventy-seven thousand, nine hundred fifty".

Divisors: 1 2 5 10 13 23 25 26 46 50 65 115 130 230 299 325 575 598 650 1150 1495 2741 2990 5482 7475 13705 14950 27410 35633 63043 68525 71266 126086 137050 178165 315215 356330 630430 819559 890825 1576075 1639118 1781650 3152150 4097795 8195590 20488975 40977950