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61046880 = 2535891429
BaseRepresentation
bin1110100011100…
…0000001100000
311020212111120120
43220320001200
5111112000010
610020240240
71340614146
oct350700140
9136774516
1061046880
1131506474
1218540080
13c85561b
148171596
15555ce70
hex3a38060

61046880 has 96 divisors (see below), whose sum is σ = 194594400. Its totient is φ = 16084992.

The previous prime is 61046879. The next prime is 61046893. The reversal of 61046880 is 8864016.

It is a tau number, because it is divible by the number of its divisors (96).

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, 42006 + ... + 43434.

It is an arithmetic number, because the mean of its divisors is an integer number (2027025).

Almost surely, 261046880 is an apocalyptic number.

61046880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61046880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97297200).

61046880 is an abundant number, since it is smaller than the sum of its proper divisors (133547520).

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

61046880 is a wasteful number, since it uses less digits than its factorization.

61046880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536 (or 1528 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 61046880 is about 7813.2502839727. The cubic root of 61046880 is about 393.7505356506.

The spelling of 61046880 in words is "sixty-one million, forty-six thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 89 96 120 160 178 240 267 356 445 480 534 712 890 1068 1335 1424 1429 1780 2136 2670 2848 2858 3560 4272 4287 5340 5716 7120 7145 8544 8574 10680 11432 14240 14290 17148 21360 21435 22864 28580 34296 42720 42870 45728 57160 68592 85740 114320 127181 137184 171480 228640 254362 342960 381543 508724 635905 685920 763086 1017448 1271810 1526172 1907715 2034896 2543620 3052344 3815430 4069792 5087240 6104688 7630860 10174480 12209376 15261720 20348960 30523440 61046880