Search a number
-
+
70401474 = 23511131013
BaseRepresentation
bin1000011001000…
…11110111000010
311220110202200000
410030203313002
5121010321344
610552540430
71513255053
oct414436702
9156422600
1070401474
1136815740
121b6b1716
131177c4a0
1494c872a
1562a9a69
hex4323dc2

70401474 has 96 divisors (see below), whose sum is σ = 186024384. Its totient is φ = 19673280.

The previous prime is 70401439. The next prime is 70401481. The reversal of 70401474 is 47410407.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68992 + ... + 70004.

It is an arithmetic number, because the mean of its divisors is an integer number (1937754).

Almost surely, 270401474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70401474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93012192).

70401474 is an abundant number, since it is smaller than the sum of its proper divisors (115622910).

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

70401474 is a wasteful number, since it uses less digits than its factorization.

70401474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054 (or 1042 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 70401474 is about 8390.5586226425. The cubic root of 70401474 is about 412.9149279444.

The spelling of 70401474 in words is "seventy million, four hundred one thousand, four hundred seventy-four".

Divisors: 1 2 3 6 9 11 13 18 22 26 27 33 39 54 66 78 81 99 117 143 162 198 234 243 286 297 351 429 486 594 702 858 891 1013 1053 1287 1782 2026 2106 2574 2673 3039 3159 3861 5346 6078 6318 7722 9117 11143 11583 13169 18234 22286 23166 26338 27351 33429 34749 39507 54702 66858 69498 79014 82053 100287 118521 144859 164106 200574 237042 246159 289718 300861 355563 434577 492318 601722 711126 869154 902583 1066689 1303731 1805166 2133378 2607462 2707749 3200067 3911193 5415498 6400134 7822386 11733579 23467158 35200737 70401474