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801401472 = 2733673461
BaseRepresentation
bin101111110001000…
…110101010000000
32001211222102011000
4233301012222000
53120124321342
6211304452000
725600541304
oct5761065200
92054872130
10801401472
11381408873
121a447a000
13ca053a71
1478611d04
154a55244c
hex2fc46a80

801401472 has 128 divisors (see below), whose sum is σ = 2401243200. Its totient is φ = 263070720.

The previous prime is 801401467. The next prime is 801401507. The reversal of 801401472 is 274104108.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229822 + ... + 233282.

Almost surely, 2801401472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 801401472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1200621600).

801401472 is an abundant number, since it is smaller than the sum of its proper divisors (1599841728).

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

801401472 is a wasteful number, since it uses less digits than its factorization.

801401472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3551 (or 3533 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 801401472 is about 28309.0351654732. The cubic root of 801401472 is about 928.8595385452.

The spelling of 801401472 in words is "eight hundred one million, four hundred one thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 67 72 96 108 128 134 144 192 201 216 268 288 384 402 432 536 576 603 804 864 1072 1152 1206 1608 1728 1809 2144 2412 3216 3456 3461 3618 4288 4824 6432 6922 7236 8576 9648 10383 12864 13844 14472 19296 20766 25728 27688 28944 31149 38592 41532 55376 57888 62298 77184 83064 93447 110752 115776 124596 166128 186894 221504 231552 231887 249192 332256 373788 443008 463774 498384 664512 695661 747576 927548 996768 1329024 1391322 1495152 1855096 1993536 2086983 2782644 2990304 3710192 3987072 4173966 5565288 5980608 6260949 7420384 8347932 11130576 11961216 12521898 14840768 16695864 22261152 25043796 29681536 33391728 44522304 50087592 66783456 89044608 100175184 133566912 200350368 267133824 400700736 801401472